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Bullmastiff vs. French Mastiff: What's the Difference?

Edited by Aimie Carlson || By Janet White || Published on December 17, 2023
Bullmastiffs are large, powerful dogs with a solid build and short muzzle, while French Mastiffs (Dogue de Bordeaux) are muscular with a distinctive wrinkled face and droopy jowls.

Key Differences

The Bullmastiff is a large breed known for its solid and muscular build, combining strength and agility. The French Mastiff, also known as Dogue de Bordeaux, stands out with its massive head, wrinkled face, and distinctive jowls.
Originating in England, Bullmastiffs were bred for guarding and are known for their loyal and protective nature. French Mastiffs, originating from France, were used for hunting and guarding, and are known for their courageous and affectionate temperament.
Bullmastiffs have a short, dense coat that comes in fawn, red, or brindle, with a distinctive black mask. French Mastiffs have a fine, short coat, typically in shades of fawn to mahogany, often with a black or red mask.
In terms of size, Bullmastiffs are slightly taller and leaner, with males standing at 25-27 inches and weighing around 110-130 pounds. French Mastiffs are more stocky, with males standing 23-27 inches but weighing significantly more, often over 150 pounds.
The Bullmastiff is known for being confident, yet docile, making them excellent family pets. The French Mastiff is extremely loyal to its family and good with children, but their size and strength require experienced handling.

Comparison Chart




Solid build, short muzzle
Wrinkled face, droopy jowls


Short, dense, with a black mask
Fine, short, fawn to mahogany with a mask

Size and Weight

Taller, leaner, 110-130 lbs
Stockier, heavier, over 150 lbs


Confident, docile, protective
Loyal, affectionate, needs experienced handling

Bullmastiff and French Mastiff Definitions


Dog breed known for its protective nature.
The family felt safe with their Bullmastiff watching over the house.

French Mastiff

Breed requiring experienced handling due to size.
Handling the French Mastiff required experience due to its size.


A large, powerful dog breed with a solid build.
The Bullmastiff stood guard loyally at the gate.

French Mastiff

Large breed known for its loyalty and strength.
The French Mastiff protected its family with unwavering loyalty.


A breed combining strength and agility.
Despite its size, the Bullmastiff moved with surprising agility.

French Mastiff

Dog with a massive head and strong build.
The French Mastiff's massive head was a striking feature.


Dog breed excellent for guarding.
Their Bullmastiff was an effective deterrent against intruders.

French Mastiff

A breed with a fine, short coat.
The French Mastiff's coat was short but required regular grooming.


Breed with a short muzzle and dense coat.
The Bullmastiff's short muzzle gives it a distinctive look.

French Mastiff

Muscular dog with a wrinkled face and jowls.
The French Mastiff's face was characterized by deep wrinkles.


A large, heavy-set, powerful dog of a breed developed from the bulldog and the mastiff.


Alternative case form of Bullmastiff


What is a Bullmastiff?

A Bullmastiff is a large breed of domestic dog, known for its solid build and protective nature.

How big does a Bullmastiff get?

Male Bullmastiffs can reach about 110-130 pounds, while females are slightly smaller.

What is the temperament of a Bullmastiff?

Bullmastiffs are known for being loyal, brave, and affectionate with their families.

How long do Bullmastiffs typically live?

Their lifespan is usually around 8-10 years.

How much exercise does a Bullmastiff need?

Moderate exercise is sufficient, as they are not overly energetic.

Are Bullmastiffs easy to train?

They can be, with consistent and positive training methods.

What is the origin of the French Mastiff?

They originated in France and have been around since at least the 14th century.

What is the origin of the Bullmastiff?

The Bullmastiff originated in England in the 19th century, bred for guarding estates.

Do Bullmastiffs drool a lot?

Yes, they are known to drool, especially after drinking or eating.

How big does a French Mastiff get?

Males can weigh between 110-145 pounds, with females being slightly smaller.

What is the temperament of a French Mastiff?

They are known to be courageous, loyal, and affectionate with family.

What colors do Bullmastiffs come in?

They come in fawn, red, and brindle.

How long do French Mastiffs typically live?

Their lifespan is about 5-8 years.

Are French Mastiffs good with children?

Yes, they are generally good with children if socialized early.

How much exercise does a French Mastiff need?

They require moderate exercise to maintain their health.

Are French Mastiffs easy to train?

They can be stubborn, so consistent and patient training is necessary.

Are Bullmastiffs good with children?

Yes, they are generally good with children, especially when raised with them.

What colors do French Mastiffs come in?

Their coat is typically fawn to mahogany with a black or red mask.

Do French Mastiffs drool a lot?

Yes, they are known for their excessive drooling.

What is a French Mastiff?

The French Mastiff, or Dogue de Bordeaux, is a large French dog breed known for its muscular build and loyal temperament.
About Author
Written by
Janet White
Janet White has been an esteemed writer and blogger for Difference Wiki. Holding a Master's degree in Science and Medical Journalism from the prestigious Boston University, she has consistently demonstrated her expertise and passion for her field. When she's not immersed in her work, Janet relishes her time exercising, delving into a good book, and cherishing moments with friends and family.
Edited by
Aimie Carlson
Aimie Carlson, holding a master's degree in English literature, is a fervent English language enthusiast. She lends her writing talents to Difference Wiki, a prominent website that specializes in comparisons, offering readers insightful analyses that both captivate and inform.

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